8371712057 has 2 divisors, whose sum is σ = 8371712058. Its totient is φ = 8371712056.

The previous prime is 8371712047. The next prime is 8371712087. The reversal of 8371712057 is 7502171738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6950723641 + 1420988416 = 83371^2 + 37696^2 .

It is a cyclic number.

It is not a de Polignac number, because 8371712057 - 2¹² = 8371707961 is a prime.

It is not a weakly prime, because it can be changed into another prime (8371712047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4185856028 + 4185856029.

It is an arithmetic number, because the mean of its divisors is an integer number (4185856029).

Almost surely, 2^8371712057 is an apocalyptic number.

It is an amenable number.

8371712057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8371712057 is an equidigital number, since it uses as much as digits as its factorization.

8371712057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 8371712057 is about 91497.0603735442. The cubic root of 8371712057 is about 2030.5082614349.

The spelling of 8371712057 in words is "eight billion, three hundred seventy-one million, seven hundred twelve thousand, fifty-seven".